src/shoot.c

   1 #include "angband.h"
   2 #include "projection.h"
   3 #include "monster-status.h"
   4 #include "artifact.h"
   5 #include "avatar.h"
   6 #include "player-status.h"
   7
   8 #include "shoot.h"
   9
  10 /*!
  11  * @brief 矢弾を射撃した際のスレイ倍率をかけた結果を返す /
  12  * Determines the odds of an object breaking when thrown at a monster
  13  * @param o_ptr 矢弾のオブジェクト構造体参照ポインタ
  14  * @param tdam 計算途中のダメージ量
  15  * @param m_ptr 目標モンスターの構造体参照ポインタ
  16  * @return スレイ倍率をかけたダメージ量
  17  */
  18 static MULTIPLY tot_dam_aux_shot(object_type *o_ptr, HIT_POINT tdam, monster_type *m_ptr, SPELL_IDX snipe_type)
  19 {
  20         MULTIPLY mult = 10;
  21
  22         monster_race *r_ptr = &r_info[m_ptr->r_idx];
  23
  24         BIT_FLAGS flgs[TR_FLAG_SIZE];
  25         object_flags(o_ptr, flgs);
  26
  27         /* Some "weapons" and "ammo" do extra damage */
  28         switch (o_ptr->tval)
  29         {
  30         case TV_SHOT:
  31         case TV_ARROW:
  32         case TV_BOLT:
  33         {
  34                 if ((have_flag(flgs, TR_SLAY_ANIMAL)) && (r_ptr->flags3 & RF3_ANIMAL))
  35                 {
  36                         if (is_original_ap_and_seen(m_ptr))
  37                         {
  38                                 r_ptr->r_flags3 |= RF3_ANIMAL;
  39                         }
  40                         if (mult < 17) mult = 17;
  41                 }
  42
  43                 if ((have_flag(flgs, TR_KILL_ANIMAL)) && (r_ptr->flags3 & RF3_ANIMAL))
  44                 {
  45                         if (is_original_ap_and_seen(m_ptr))
  46                         {
  47                                 r_ptr->r_flags3 |= RF3_ANIMAL;
  48                         }
  49                         if (mult < 27) mult = 27;
  50                 }
  51
  52                 if ((have_flag(flgs, TR_SLAY_EVIL)) && (r_ptr->flags3 & RF3_EVIL))
  53                 {
  54                         if (is_original_ap_and_seen(m_ptr))
  55                         {
  56                                 r_ptr->r_flags3 |= RF3_EVIL;
  57                         }
  58                         if (mult < 15) mult = 15;
  59                 }
  60
  61                 if ((have_flag(flgs, TR_KILL_EVIL)) && (r_ptr->flags3 & RF3_EVIL))
  62                 {
  63                         if (is_original_ap_and_seen(m_ptr))
  64                         {
  65                                 r_ptr->r_flags3 |= RF3_EVIL;
  66                         }
  67                         if (mult < 25) mult = 25;
  68                 }
  69
  70                 if ((have_flag(flgs, TR_SLAY_HUMAN)) && (r_ptr->flags2 & RF2_HUMAN))
  71                 {
  72                         if (is_original_ap_and_seen(m_ptr))
  73                         {
  74                                 r_ptr->r_flags2 |= RF2_HUMAN;
  75                         }
  76                         if (mult < 17) mult = 17;
  77                 }
  78
  79                 if ((have_flag(flgs, TR_KILL_HUMAN)) && (r_ptr->flags2 & RF2_HUMAN))
  80                 {
  81                         if (is_original_ap_and_seen(m_ptr))
  82                         {
  83                                 r_ptr->r_flags2 |= RF2_HUMAN;
  84                         }
  85                         if (mult < 27) mult = 27;
  86                 }
  87
  88                 if ((have_flag(flgs, TR_SLAY_UNDEAD)) && (r_ptr->flags3 & RF3_UNDEAD))
  89                 {
  90                         if (is_original_ap_and_seen(m_ptr))
  91                         {
  92                                 r_ptr->r_flags3 |= RF3_UNDEAD;
  93                         }
  94                         if (mult < 20) mult = 20;
  95                 }
  96
  97                 if ((have_flag(flgs, TR_KILL_UNDEAD)) && (r_ptr->flags3 & RF3_UNDEAD))
  98                 {
  99                         if (is_original_ap_and_seen(m_ptr))
 100                         {
 101                                 r_ptr->r_flags3 |= RF3_UNDEAD;
 102                         }
 103                         if (mult < 30) mult = 30;
 104                 }
 105
 106                 if ((have_flag(flgs, TR_SLAY_DEMON)) && (r_ptr->flags3 & RF3_DEMON))
 107                 {
 108                         if (is_original_ap_and_seen(m_ptr))
 109                         {
 110                                 r_ptr->r_flags3 |= RF3_DEMON;
 111                         }
 112                         if (mult < 20) mult = 20;
 113                 }
 114
 115                 if ((have_flag(flgs, TR_KILL_DEMON)) && (r_ptr->flags3 & RF3_DEMON))
 116                 {
 117                         if (is_original_ap_and_seen(m_ptr))
 118                         {
 119                                 r_ptr->r_flags3 |= RF3_DEMON;
 120                         }
 121                         if (mult < 30) mult = 30;
 122                 }
 123
 124                 if ((have_flag(flgs, TR_SLAY_ORC)) && (r_ptr->flags3 & RF3_ORC))
 125                 {
 126                         if (is_original_ap_and_seen(m_ptr))
 127                         {
 128                                 r_ptr->r_flags3 |= RF3_ORC;
 129                         }
 130                         if (mult < 20) mult = 20;
 131                 }
 132
 133                 if ((have_flag(flgs, TR_KILL_ORC)) && (r_ptr->flags3 & RF3_ORC))
 134                 {
 135                         if (is_original_ap_and_seen(m_ptr))
 136                         {
 137                                 r_ptr->r_flags3 |= RF3_ORC;
 138                         }
 139                         if (mult < 30) mult = 30;
 140                 }
 141
 142                 if ((have_flag(flgs, TR_SLAY_TROLL)) && (r_ptr->flags3 & RF3_TROLL))
 143                 {
 144                         if (is_original_ap_and_seen(m_ptr))
 145                         {
 146                                 r_ptr->r_flags3 |= RF3_TROLL;
 147                         }
 148
 149                         if (mult < 20) mult = 20;
 150                 }
 151
 152                 if ((have_flag(flgs, TR_KILL_TROLL)) && (r_ptr->flags3 & RF3_TROLL))
 153                 {
 154                         if (is_original_ap_and_seen(m_ptr))
 155                         {
 156                                 r_ptr->r_flags3 |= RF3_TROLL;
 157                         }
 158                         if (mult < 30) mult = 30;
 159                 }
 160
 161                 if ((have_flag(flgs, TR_SLAY_GIANT)) && (r_ptr->flags3 & RF3_GIANT))
 162                 {
 163                         if (is_original_ap_and_seen(m_ptr))
 164                         {
 165                                 r_ptr->r_flags3 |= RF3_GIANT;
 166                         }
 167                         if (mult < 20) mult = 20;
 168                 }
 169
 170                 if ((have_flag(flgs, TR_KILL_GIANT)) && (r_ptr->flags3 & RF3_GIANT))
 171                 {
 172                         if (is_original_ap_and_seen(m_ptr))
 173                         {
 174                                 r_ptr->r_flags3 |= RF3_GIANT;
 175                         }
 176                         if (mult < 30) mult = 30;
 177                 }
 178
 179                 if ((have_flag(flgs, TR_SLAY_DRAGON)) && (r_ptr->flags3 & RF3_DRAGON))
 180                 {
 181                         if (is_original_ap_and_seen(m_ptr))
 182                         {
 183                                 r_ptr->r_flags3 |= RF3_DRAGON;
 184                         }
 185                         if (mult < 20) mult = 20;
 186                 }
 187
 188                 if ((have_flag(flgs, TR_KILL_DRAGON)) && (r_ptr->flags3 & RF3_DRAGON))
 189                 {
 190                         if (is_original_ap_and_seen(m_ptr))
 191                         {
 192                                 r_ptr->r_flags3 |= RF3_DRAGON;
 193                         }
 194                         if (mult < 30) mult = 30;
 195                         if ((o_ptr->name1 == ART_BARD_ARROW) && (m_ptr->r_idx == MON_SMAUG) &&
 196                                 (inventory[INVEN_BOW].name1 == ART_BARD))
 197                                 mult *= 5;
 198                 }
 199
 200                 if (have_flag(flgs, TR_BRAND_ACID))
 201                 {
 202                         /* Notice immunity */
 203                         if (r_ptr->flagsr & RFR_EFF_IM_ACID_MASK)
 204                         {
 205                                 if (is_original_ap_and_seen(m_ptr))
 206                                 {
 207                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ACID_MASK);
 208                                 }
 209                         }
 210                         else
 211                         {
 212                                 if (mult < 17) mult = 17;
 213                         }
 214                 }
 215
 216                 if (have_flag(flgs, TR_BRAND_ELEC))
 217                 {
 218                         /* Notice immunity */
 219                         if (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK)
 220                         {
 221                                 if (is_original_ap_and_seen(m_ptr))
 222                                 {
 223                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_ELEC_MASK);
 224                                 }
 225                         }
 226                         else
 227                         {
 228                                 if (mult < 17) mult = 17;
 229                         }
 230                 }
 231
 232                 if (have_flag(flgs, TR_BRAND_FIRE))
 233                 {
 234                         /* Notice immunity */
 235                         if (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK)
 236                         {
 237                                 if (is_original_ap_and_seen(m_ptr))
 238                                 {
 239                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_FIRE_MASK);
 240                                 }
 241                         }
 242                         /* Otherwise, take the damage */
 243                         else
 244                         {
 245                                 if (r_ptr->flags3 & RF3_HURT_FIRE)
 246                                 {
 247                                         if (mult < 25) mult = 25;
 248                                         if (is_original_ap_and_seen(m_ptr))
 249                                         {
 250                                                 r_ptr->r_flags3 |= RF3_HURT_FIRE;
 251                                         }
 252                                 }
 253                                 else if (mult < 17) mult = 17;
 254                         }
 255                 }
 256
 257                 if (have_flag(flgs, TR_BRAND_COLD))
 258                 {
 259                         /* Notice immunity */
 260                         if (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK)
 261                         {
 262                                 if (is_original_ap_and_seen(m_ptr))
 263                                 {
 264                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_COLD_MASK);
 265                                 }
 266                         }
 267                         /* Otherwise, take the damage */
 268                         else
 269                         {
 270                                 if (r_ptr->flags3 & RF3_HURT_COLD)
 271                                 {
 272                                         if (mult < 25) mult = 25;
 273                                         if (is_original_ap_and_seen(m_ptr))
 274                                         {
 275                                                 r_ptr->r_flags3 |= RF3_HURT_COLD;
 276                                         }
 277                                 }
 278                                 else if (mult < 17) mult = 17;
 279                         }
 280                 }
 281
 282                 if (have_flag(flgs, TR_BRAND_POIS))
 283                 {
 284                         /* Notice immunity */
 285                         if (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK)
 286                         {
 287                                 if (is_original_ap_and_seen(m_ptr))
 288                                 {
 289                                         r_ptr->r_flagsr |= (r_ptr->flagsr & RFR_EFF_IM_POIS_MASK);
 290                                 }
 291                         }
 292                         /* Otherwise, take the damage */
 293                         else
 294                         {
 295                                 if (mult < 17) mult = 17;
 296                         }
 297                 }
 298
 299                 if ((have_flag(flgs, TR_FORCE_WEAPON)) && (p_ptr->csp > (p_ptr->msp / 30)))
 300                 {
 301                         p_ptr->csp -= (1 + (p_ptr->msp / 30));
 302                         p_ptr->redraw |= (PR_MANA);
 303                         mult = mult * 5 / 2;
 304                 }
 305                 break;
 306         }
 307         }
 308
 309         /* Sniper */
 310         if (snipe_type) mult = tot_dam_aux_snipe(mult, m_ptr, snipe_type);
 311
 312         /* Return the total damage */
 313         return (tdam * mult / 10);
 314 }
 315
 316
 317 /*!
 318  * @brief 射撃処理実行 /
 319  * Fire an object from the pack or floor.
 320  * @param item 射撃するオブジェクトの所持ID
 321  * @param j_ptr 射撃武器のオブジェクト参照ポインタ
 322  * @return なし
 323  * @details
 324  * <pre>
 325  * You may only fire items that "match" your missile launcher.
 326  * You must use slings + pebbles/shots, bows + arrows, xbows + bolts.
 327  * See "calc_bonuses()" for more calculations and such.
 328  * Note that "firing" a missile is MUCH better than "throwing" it.
 329  * Note: "unseen" monsters are very hard to hit.
 330  * Objects are more likely to break if they "attempt" to hit a monster.
 331  * Rangers (with Bows) and Anyone (with "Extra Shots") get extra shots.
 332  * The "extra shot" code works by decreasing the amount of energy
 333  * required to make each shot, spreading the shots out over time.
 334  * Note that when firing missiles, the launcher multiplier is applied
 335  * after all the bonuses are added in, making multipliers very useful.
 336  * Note that Bows of "Extra Might" get extra range and an extra bonus
 337  * for the damage multiplier.
 338  * Note that Bows of "Extra Shots" give an extra shot.
 339  * </pre>
 340  */
 341 void exe_fire(INVENTORY_IDX item, object_type *j_ptr, SPELL_IDX snipe_type)
 342 {
 343         DIRECTION dir;
 344         int i;
 345         POSITION y, x, ny, nx, ty, tx, prev_y, prev_x;
 346         int tdam_base, tdis, thits, tmul;
 347         int bonus, chance;
 348         int cur_dis, visible;
 349         PERCENTAGE j;
 350
 351         object_type forge;
 352         object_type *q_ptr;
 353
 354         object_type *o_ptr;
 355
 356         bool hit_body = FALSE;
 357
 358         GAME_TEXT o_name[MAX_NLEN];
 359
 360         u16b path_g[512];       /* For calcuration of path length */
 361
 362         int msec = delay_factor * delay_factor * delay_factor;
 363
 364         /* STICK TO */
 365         bool stick_to = FALSE;
 366
 367         /* Access the item (if in the pack) */
 368         if (item >= 0)
 369         {
 370                 o_ptr = &inventory[item];
 371         }
 372         else
 373         {
 374                 o_ptr = &current_floor_ptr->o_list[0 - item];
 375         }
 376
 377         /* Sniper - Cannot shot a single arrow twice */
 378         if ((snipe_type == SP_DOUBLE) && (o_ptr->number < 2)) snipe_type = SP_NONE;
 379
 380         object_desc(o_name, o_ptr, OD_OMIT_PREFIX);
 381
 382         /* Use the proper number of shots */
 383         thits = p_ptr->num_fire;
 384
 385         /* Use a base distance */
 386         tdis = 10;
 387
 388         /* Base damage from thrown object plus launcher bonus */
 389         tdam_base = damroll(o_ptr->dd, o_ptr->ds) + o_ptr->to_d + j_ptr->to_d;
 390
 391         /* Actually "fire" the object */
 392         bonus = (p_ptr->to_h_b + o_ptr->to_h + j_ptr->to_h);
 393         if ((j_ptr->sval == SV_LIGHT_XBOW) || (j_ptr->sval == SV_HEAVY_XBOW))
 394                 chance = (p_ptr->skill_thb + (p_ptr->weapon_exp[0][j_ptr->sval] / 400 + bonus) * BTH_PLUS_ADJ);
 395         else
 396                 chance = (p_ptr->skill_thb + ((p_ptr->weapon_exp[0][j_ptr->sval] - (WEAPON_EXP_MASTER / 2)) / 200 + bonus) * BTH_PLUS_ADJ);
 397
 398         p_ptr->energy_use = bow_energy(j_ptr->sval);
 399         tmul = bow_tmul(j_ptr->sval);
 400
 401         /* Get extra "power" from "extra might" */
 402         if (p_ptr->xtra_might) tmul++;
 403
 404         tmul = tmul * (100 + (int)(adj_str_td[p_ptr->stat_ind[A_STR]]) - 128);
 405
 406         /* Boost the damage */
 407         tdam_base *= tmul;
 408         tdam_base /= 100;
 409
 410         /* Base range */
 411         tdis = 13 + tmul / 80;
 412         if ((j_ptr->sval == SV_LIGHT_XBOW) || (j_ptr->sval == SV_HEAVY_XBOW))
 413         {
 414                 if (p_ptr->concent)
 415                         tdis -= (5 - (p_ptr->concent + 1) / 2);
 416                 else
 417                         tdis -= 5;
 418         }
 419
 420         project_length = tdis + 1;
 421
 422         /* Get a direction (or cancel) */
 423         if (!get_aim_dir(&dir))
 424         {
 425                 free_turn(p_ptr);
 426
 427                 if (snipe_type == SP_AWAY) snipe_type = SP_NONE;
 428
 429                 /* need not to reset project_length (already did)*/
 430
 431                 return;
 432         }
 433
 434         /* Predict the "target" location */
 435         tx = p_ptr->x + 99 * ddx[dir];
 436         ty = p_ptr->y + 99 * ddy[dir];
 437
 438         /* Check for "target request" */
 439         if ((dir == 5) && target_okay())
 440         {
 441                 tx = target_col;
 442                 ty = target_row;
 443         }
 444
 445         /* Get projection path length */
 446         tdis = project_path(path_g, project_length, p_ptr->y, p_ptr->x, ty, tx, PROJECT_PATH | PROJECT_THRU) - 1;
 447
 448         project_length = 0; /* reset to default */
 449
 450         /* Don't shoot at my feet */
 451         if (tx == p_ptr->x && ty == p_ptr->y)
 452         {
 453                 free_turn(p_ptr);
 454
 455                 /* project_length is already reset to 0 */
 456
 457                 return;
 458         }
 459
 460
 461         /* Take a (partial) current_world_ptr->game_turn */
 462         p_ptr->energy_use = (p_ptr->energy_use / thits);
 463         is_fired = TRUE;
 464
 465         /* Sniper - Difficult to shot twice at 1 current_world_ptr->game_turn */
 466         if (snipe_type == SP_DOUBLE)  p_ptr->concent = (p_ptr->concent + 1) / 2;
 467
 468         /* Sniper - Repeat shooting when double shots */
 469         for (i = 0; i < ((snipe_type == SP_DOUBLE) ? 2 : 1); i++)
 470         {
 471
 472                 /* Start at the player */
 473                 y = p_ptr->y;
 474                 x = p_ptr->x;
 475                 q_ptr = &forge;
 476
 477                 /* Obtain a local object */
 478                 object_copy(q_ptr, o_ptr);
 479
 480                 /* Single object */
 481                 q_ptr->number = 1;
 482
 483                 /* Reduce and describe inventory */
 484                 if (item >= 0)
 485                 {
 486                         inven_item_increase(item, -1);
 487                         inven_item_describe(item);
 488                         inven_item_optimize(item);
 489                 }
 490
 491                 /* Reduce and describe floor item */
 492                 else
 493                 {
 494                         floor_item_increase(0 - item, -1);
 495                         floor_item_optimize(0 - item);
 496                 }
 497
 498                 sound(SOUND_SHOOT);
 499                 handle_stuff();
 500
 501                 prev_y = y;
 502                 prev_x = x;
 503
 504                 /* The shot does not hit yet */
 505                 hit_body = FALSE;
 506
 507                 /* Travel until stopped */
 508                 for (cur_dis = 0; cur_dis <= tdis; )
 509                 {
 510                         grid_type *g_ptr;
 511
 512                         /* Hack -- Stop at the target */
 513                         if ((y == ty) && (x == tx)) break;
 514
 515                         /* Calculate the new location (see "project()") */
 516                         ny = y;
 517                         nx = x;
 518                         mmove2(&ny, &nx, p_ptr->y, p_ptr->x, ty, tx);
 519
 520                         /* Shatter Arrow */
 521                         if (snipe_type == SP_KILL_WALL)
 522                         {
 523                                 g_ptr = &current_floor_ptr->grid_array[ny][nx];
 524
 525                                 if (cave_have_flag_grid(g_ptr, FF_HURT_ROCK) && !g_ptr->m_idx)
 526                                 {
 527                                         if (g_ptr->info & (CAVE_MARK)) msg_print(_("岩が砕け散った。", "Wall rocks were shattered."));
 528                                         /* Forget the wall */
 529                                         g_ptr->info &= ~(CAVE_MARK);
 530                                         p_ptr->update |= (PU_VIEW | PU_LITE | PU_FLOW | PU_MON_LITE);
 531
 532                                         /* Destroy the wall */
 533                                         cave_alter_feat(ny, nx, FF_HURT_ROCK);
 534
 535                                         hit_body = TRUE;
 536                                         break;
 537                                 }
 538                         }
 539
 540                         /* Stopped by walls/doors */
 541                         if (!cave_have_flag_bold(ny, nx, FF_PROJECT) && !current_floor_ptr->grid_array[ny][nx].m_idx) break;
 542
 543                         /* Advance the distance */
 544                         cur_dis++;
 545
 546                         /* Sniper */
 547                         if (snipe_type == SP_LITE)
 548                         {
 549                                 current_floor_ptr->grid_array[ny][nx].info |= (CAVE_GLOW);
 550                                 note_spot(ny, nx);
 551                                 lite_spot(ny, nx);
 552                         }
 553
 554                         /* The player can see the (on screen) missile */
 555                         if (panel_contains(ny, nx) && player_can_see_bold(ny, nx))
 556                         {
 557                                 char c = object_char(q_ptr);
 558                                 byte a = object_attr(q_ptr);
 559
 560                                 /* Draw, Hilite, Fresh, Pause, Erase */
 561                                 print_rel(c, a, ny, nx);
 562                                 move_cursor_relative(ny, nx);
 563                                 Term_fresh();
 564                                 Term_xtra(TERM_XTRA_DELAY, msec);
 565                                 lite_spot(ny, nx);
 566                                 Term_fresh();
 567                         }
 568
 569                         /* The player cannot see the missile */
 570                         else
 571                         {
 572                                 /* Pause anyway, for consistancy */
 573                                 Term_xtra(TERM_XTRA_DELAY, msec);
 574                         }
 575
 576                         /* Sniper */
 577                         if (snipe_type == SP_KILL_TRAP)
 578                         {
 579                                 project(0, 0, ny, nx, 0, GF_KILL_TRAP,
 580                                         (PROJECT_JUMP | PROJECT_HIDE | PROJECT_GRID | PROJECT_ITEM), -1);
 581                         }
 582
 583                         /* Sniper */
 584                         if (snipe_type == SP_EVILNESS)
 585                         {
 586                                 current_floor_ptr->grid_array[ny][nx].info &= ~(CAVE_GLOW | CAVE_MARK);
 587                                 note_spot(ny, nx);
 588                                 lite_spot(ny, nx);
 589                         }
 590
 591                         prev_y = y;
 592                         prev_x = x;
 593
 594                         /* Save the new location */
 595                         x = nx;
 596                         y = ny;
 597
 598                         /* Monster here, Try to hit it */
 599                         if (current_floor_ptr->grid_array[y][x].m_idx)
 600                         {
 601                                 grid_type *c_mon_ptr = &current_floor_ptr->grid_array[y][x];
 602
 603                                 monster_type *m_ptr = &current_floor_ptr->m_list[c_mon_ptr->m_idx];
 604                                 monster_race *r_ptr = &r_info[m_ptr->r_idx];
 605
 606                                 /* Check the visibility */
 607                                 visible = m_ptr->ml;
 608
 609                                 /* Note the collision */
 610                                 hit_body = TRUE;
 611
 612                                 if (MON_CSLEEP(m_ptr))
 613                                 {
 614                                         if (!(r_ptr->flags3 & RF3_EVIL) || one_in_(5)) chg_virtue(V_COMPASSION, -1);
 615                                         if (!(r_ptr->flags3 & RF3_EVIL) || one_in_(5)) chg_virtue(V_HONOUR, -1);
 616                                 }
 617
 618                                 if ((r_ptr->level + 10) > p_ptr->lev)
 619                                 {
 620                                         int now_exp = p_ptr->weapon_exp[0][j_ptr->sval];
 621                                         if (now_exp < s_info[p_ptr->pclass].w_max[0][j_ptr->sval])
 622                                         {
 623                                                 SUB_EXP amount = 0;
 624                                                 if (now_exp < WEAPON_EXP_BEGINNER) amount = 80;
 625                                                 else if (now_exp < WEAPON_EXP_SKILLED) amount = 25;
 626                                                 else if ((now_exp < WEAPON_EXP_EXPERT) && (p_ptr->lev > 19)) amount = 10;
 627                                                 else if (p_ptr->lev > 34) amount = 2;
 628                                                 p_ptr->weapon_exp[0][j_ptr->sval] += amount;
 629                                                 p_ptr->update |= (PU_BONUS);
 630                                         }
 631                                 }
 632
 633                                 if (p_ptr->riding)
 634                                 {
 635                                         if ((p_ptr->skill_exp[GINOU_RIDING] < s_info[p_ptr->pclass].s_max[GINOU_RIDING])
 636                                                 && ((p_ptr->skill_exp[GINOU_RIDING] - (RIDING_EXP_BEGINNER * 2)) / 200 < r_info[current_floor_ptr->m_list[p_ptr->riding].r_idx].level)
 637                                                 && one_in_(2))
 638                                         {
 639                                                 p_ptr->skill_exp[GINOU_RIDING] += 1;
 640                                                 p_ptr->update |= (PU_BONUS);
 641                                         }
 642                                 }
 643
 644                                 /* Did we hit it (penalize range) */
 645                                 if (test_hit_fire(chance - cur_dis, m_ptr, m_ptr->ml, o_name))
 646                                 {
 647                                         bool fear = FALSE;
 648                                         int tdam = tdam_base;
 649
 650                                         /* Get extra damage from concentration */
 651                                         if (p_ptr->concent) tdam = boost_concentration_damage(tdam);
 652
 653                                         /* Handle unseen monster */
 654                                         if (!visible)
 655                                         {
 656                                                 /* Invisible monster */
 657                                                 msg_format(_("%sが敵を捕捉した。", "The %s finds a mark."), o_name);
 658                                         }
 659
 660                                         /* Handle visible monster */
 661                                         else
 662                                         {
 663                                                 GAME_TEXT m_name[MAX_NLEN];
 664
 665                                                 /* Get "the monster" or "it" */
 666                                                 monster_desc(m_name, m_ptr, 0);
 667
 668                                                 msg_format(_("%sが%sに命中した。", "The %s hits %s."), o_name, m_name);
 669
 670                                                 if (m_ptr->ml)
 671                                                 {
 672                                                         if (!p_ptr->image) monster_race_track(m_ptr->ap_r_idx);
 673                                                         health_track(c_mon_ptr->m_idx);
 674                                                 }
 675                                         }
 676
 677                                         if (snipe_type == SP_NEEDLE)
 678                                         {
 679                                                 if ((randint1(randint1(r_ptr->level / (3 + p_ptr->concent)) + (8 - p_ptr->concent)) == 1)
 680                                                         && !(r_ptr->flags1 & RF1_UNIQUE) && !(r_ptr->flags7 & RF7_UNIQUE2))
 681                                                 {
 682                                                         GAME_TEXT m_name[MAX_NLEN];
 683
 684                                                         /* Get "the monster" or "it" */
 685                                                         monster_desc(m_name, m_ptr, 0);
 686
 687                                                         tdam = m_ptr->hp + 1;
 688                                                         msg_format(_("%sの急所に突き刺さった！", "Your shot sticked on a fatal spot of %s!"), m_name);
 689                                                 }
 690                                                 else tdam = 1;
 691                                         }
 692                                         else
 693                                         {
 694                                                 /* Apply special damage */
 695                                                 tdam = tot_dam_aux_shot(q_ptr, tdam, m_ptr, snipe_type);
 696                                                 tdam = critical_shot(q_ptr->weight, q_ptr->to_h, j_ptr->to_h, tdam);
 697
 698                                                 /* No negative damage */
 699                                                 if (tdam < 0) tdam = 0;
 700
 701                                                 /* Modify the damage */
 702                                                 tdam = mon_damage_mod(m_ptr, tdam, FALSE);
 703                                         }
 704
 705                                         msg_format_wizard(CHEAT_MONSTER,
 706                                                 _("%dのダメージを与えた。(残りHP %d/%d(%d))", "You do %d damage. (left HP %d/%d(%d))"),
 707                                                 tdam, m_ptr->hp - tdam, m_ptr->maxhp, m_ptr->max_maxhp);
 708
 709                                         /* Sniper */
 710                                         if (snipe_type == SP_EXPLODE)
 711                                         {
 712                                                 u16b flg = (PROJECT_STOP | PROJECT_JUMP | PROJECT_KILL | PROJECT_GRID);
 713
 714                                                 sound(SOUND_EXPLODE); /* No explode sound - use breath fire instead */
 715                                                 project(0, ((p_ptr->concent + 1) / 2 + 1), ny, nx, tdam, GF_MISSILE, flg, -1);
 716                                                 break;
 717                                         }
 718
 719                                         /* Sniper */
 720                                         if (snipe_type == SP_HOLYNESS)
 721                                         {
 722                                                 current_floor_ptr->grid_array[ny][nx].info |= (CAVE_GLOW);
 723                                                 note_spot(ny, nx);
 724                                                 lite_spot(ny, nx);
 725                                         }
 726
 727                                         /* Hit the monster, check for death */
 728                                         if (mon_take_hit(c_mon_ptr->m_idx, tdam, &fear, extract_note_dies(real_r_idx(m_ptr))))
 729                                         {
 730                                                 /* Dead monster */
 731                                         }
 732
 733                                         /* No death */
 734                                         else
 735                                         {
 736                                                 /* STICK TO */
 737                                                 if (object_is_fixed_artifact(q_ptr) &&
 738                                                         (p_ptr->pclass != CLASS_SNIPER || p_ptr->concent == 0))
 739                                                 {
 740                                                         GAME_TEXT m_name[MAX_NLEN];
 741
 742                                                         monster_desc(m_name, m_ptr, 0);
 743
 744                                                         stick_to = TRUE;
 745                                                         msg_format(_("%sは%sに突き刺さった！", "%^s have stuck into %s!"), o_name, m_name);
 746                                                 }
 747
 748                                                 message_pain(c_mon_ptr->m_idx, tdam);
 749
 750                                                 /* Anger the monster */
 751                                                 if (tdam > 0) anger_monster(m_ptr);
 752
 753                                                 if (fear && m_ptr->ml)
 754                                                 {
 755                                                         GAME_TEXT m_name[MAX_NLEN];
 756                                                         sound(SOUND_FLEE);
 757                                                         monster_desc(m_name, m_ptr, 0);
 758                                                         msg_format(_("%^sは恐怖して逃げ出した！", "%^s flees in terror!"), m_name);
 759                                                 }
 760
 761                                                 set_target(m_ptr, p_ptr->y, p_ptr->x);
 762
 763                                                 /* Sniper */
 764                                                 if (snipe_type == SP_RUSH)
 765                                                 {
 766                                                         int n = randint1(5) + 3;
 767                                                         MONSTER_IDX m_idx = c_mon_ptr->m_idx;
 768
 769                                                         for (; cur_dis <= tdis; )
 770                                                         {
 771                                                                 POSITION ox = nx;
 772                                                                 POSITION oy = ny;
 773
 774                                                                 if (!n) break;
 775
 776                                                                 /* Calculate the new location (see "project()") */
 777                                                                 mmove2(&ny, &nx, p_ptr->y, p_ptr->x, ty, tx);
 778
 779                                                                 /* Stopped by wilderness boundary */
 780                                                                 if (!in_bounds2(ny, nx)) break;
 781
 782                                                                 /* Stopped by walls/doors */
 783                                                                 if (!player_can_enter(current_floor_ptr->grid_array[ny][nx].feat, 0)) break;
 784
 785                                                                 /* Stopped by monsters */
 786                                                                 if (!cave_empty_bold(ny, nx)) break;
 787
 788                                                                 current_floor_ptr->grid_array[ny][nx].m_idx = m_idx;
 789                                                                 current_floor_ptr->grid_array[oy][ox].m_idx = 0;
 790
 791                                                                 m_ptr->fx = nx;
 792                                                                 m_ptr->fy = ny;
 793
 794                                                                 update_monster(c_mon_ptr->m_idx, TRUE);
 795
 796                                                                 lite_spot(ny, nx);
 797                                                                 lite_spot(oy, ox);
 798
 799                                                                 Term_fresh();
 800                                                                 Term_xtra(TERM_XTRA_DELAY, msec);
 801
 802                                                                 x = nx;
 803                                                                 y = ny;
 804                                                                 cur_dis++;
 805                                                                 n--;
 806                                                         }
 807                                                 }
 808                                         }
 809                                 }
 810
 811                                 /* Sniper */
 812                                 if (snipe_type == SP_PIERCE)
 813                                 {
 814                                         if (p_ptr->concent < 1) break;
 815                                         p_ptr->concent--;
 816                                         continue;
 817                                 }
 818
 819                                 /* Stop looking */
 820                                 break;
 821                         }
 822                 }
 823
 824                 /* Chance of breakage (during attacks) */
 825                 j = (hit_body ? breakage_chance(q_ptr, snipe_type) : 0);
 826
 827                 if (stick_to)
 828                 {
 829                         MONSTER_IDX m_idx = current_floor_ptr->grid_array[y][x].m_idx;
 830                         monster_type *m_ptr = &current_floor_ptr->m_list[m_idx];
 831                         OBJECT_IDX o_idx = o_pop();
 832
 833                         if (!o_idx)
 834                         {
 835                                 msg_format(_("%sはどこかへ行った。", "The %s have gone to somewhere."), o_name);
 836                                 if (object_is_fixed_artifact(q_ptr))
 837                                 {
 838                                         a_info[j_ptr->name1].cur_num = 0;
 839                                 }
 840                                 return;
 841                         }
 842
 843                         o_ptr = &current_floor_ptr->o_list[o_idx];
 844                         object_copy(o_ptr, q_ptr);
 845
 846                         /* Forget mark */
 847                         o_ptr->marked &= OM_TOUCHED;
 848
 849                         /* Forget location */
 850                         o_ptr->iy = o_ptr->ix = 0;
 851
 852                         /* Memorize monster */
 853                         o_ptr->held_m_idx = m_idx;
 854
 855                         /* Build a stack */
 856                         o_ptr->next_o_idx = m_ptr->hold_o_idx;
 857
 858                         /* Carry object */
 859                         m_ptr->hold_o_idx = o_idx;
 860                 }
 861                 else if (cave_have_flag_bold(y, x, FF_PROJECT))
 862                 {
 863                         /* Drop (or break) near that location */
 864                         (void)drop_near(q_ptr, j, y, x);
 865                 }
 866                 else
 867                 {
 868                         /* Drop (or break) near that location */
 869                         (void)drop_near(q_ptr, j, prev_y, prev_x);
 870                 }
 871
 872                 /* Sniper - Repeat shooting when double shots */
 873         }
 874
 875         /* Sniper - Loose his/her concentration after any shot */
 876         if (p_ptr->concent) reset_concentration(FALSE);
 877 }
 878
 879
 880 /*!
 881 * @brief プレイヤーからモンスターへの射撃命中判定 /
 882 * Determine if the player "hits" a monster (normal combat).
 883 * @param chance 基本命中値
 884 * @param m_ptr モンスターの構造体参照ポインタ
 885 * @param vis 目標を視界に捕らえているならばTRUEを指定
 886 * @param o_name メッセージ表示時のモンスター名
 887 * @return 命中と判定された場合TRUEを返す
 888 * @note Always miss 5%, always hit 5%, otherwise random.
 889 */
 890 bool test_hit_fire(int chance, monster_type *m_ptr, int vis, char* o_name)
 891 {
 892         int k;
 893         ARMOUR_CLASS ac;
 894         monster_race *r_ptr = &r_info[m_ptr->r_idx];
 895
 896         /* Percentile dice */
 897         k = randint1(100);
 898
 899         /* Snipers with high-concentration reduce instant miss percentage.*/
 900         k += p_ptr->concent;
 901
 902         /* Hack -- Instant miss or hit */
 903         if (k <= 5) return (FALSE);
 904         if (k > 95) return (TRUE);
 905
 906         if (p_ptr->pseikaku == SEIKAKU_NAMAKE)
 907                 if (one_in_(20)) return (FALSE);
 908
 909         /* Never hit */
 910         if (chance <= 0) return (FALSE);
 911
 912         ac = r_ptr->ac;
 913         if (p_ptr->concent)
 914         {
 915                 ac *= (8 - p_ptr->concent);
 916                 ac /= 8;
 917         }
 918
 919         if (m_ptr->r_idx == MON_GOEMON && !MON_CSLEEP(m_ptr)) ac *= 3;
 920
 921         /* Invisible monsters are harder to hit */
 922         if (!vis) chance = (chance + 1) / 2;
 923
 924         /* Power competes against armor */
 925         if (randint0(chance) < (ac * 3 / 4))
 926         {
 927                 if (m_ptr->r_idx == MON_GOEMON && !MON_CSLEEP(m_ptr))
 928                 {
 929                         GAME_TEXT m_name[MAX_NLEN];
 930
 931                         /* Extract monster name */
 932                         monster_desc(m_name, m_ptr, 0);
 933                         msg_format(_("%sは%sを斬り捨てた！", "%s cuts down %s!"), m_name, o_name);
 934                 }
 935                 return (FALSE);
 936         }
 937
 938         /* Assume hit */
 939         return (TRUE);
 940 }
 941
 942
 943
 944
 945 /*!
 946 * @brief プレイヤーからモンスターへの射撃クリティカル判定 /
 947 * Critical hits (from objects thrown by player) Factor in item weight, total plusses, and player level.
 948 * @param weight 矢弾の重量
 949 * @param plus_ammo 矢弾の命中修正
 950 * @param plus_bow 弓の命中修正
 951 * @param dam 現在算出中のダメージ値
 952 * @return クリティカル修正が入ったダメージ値
 953 */
 954 HIT_POINT critical_shot(WEIGHT weight, int plus_ammo, int plus_bow, HIT_POINT dam)
 955 {
 956         int i, k;
 957         object_type *j_ptr = &inventory[INVEN_BOW];
 958
 959         /* Extract "shot" power */
 960         i = p_ptr->to_h_b + plus_ammo;
 961
 962         if (p_ptr->tval_ammo == TV_BOLT)
 963                 i = (p_ptr->skill_thb + (p_ptr->weapon_exp[0][j_ptr->sval] / 400 + i) * BTH_PLUS_ADJ);
 964         else
 965                 i = (p_ptr->skill_thb + ((p_ptr->weapon_exp[0][j_ptr->sval] - (WEAPON_EXP_MASTER / 2)) / 200 + i) * BTH_PLUS_ADJ);
 966
 967
 968         /* Snipers can shot more critically with crossbows */
 969         if (p_ptr->concent) i += ((i * p_ptr->concent) / 5);
 970         if ((p_ptr->pclass == CLASS_SNIPER) && (p_ptr->tval_ammo == TV_BOLT)) i *= 2;
 971
 972         /* Good bow makes more critical */
 973         i += plus_bow * 8 * (p_ptr->concent ? p_ptr->concent + 5 : 5);
 974
 975         /* Critical hit */
 976         if (randint1(10000) <= i)
 977         {
 978                 k = weight * randint1(500);
 979
 980                 if (k < 900)
 981                 {
 982                         msg_print(_("手ごたえがあった！", "It was a good hit!"));
 983                         dam += (dam / 2);
 984                 }
 985                 else if (k < 1350)
 986                 {
 987                         msg_print(_("かなりの手ごたえがあった！", "It was a great hit!"));
 988                         dam *= 2;
 989                 }
 990                 else
 991                 {
 992                         msg_print(_("会心の一撃だ！", "It was a superb hit!"));
 993                         dam *= 3;
 994                 }
 995         }
 996
 997         return (dam);
 998 }
 999
1000
1001
1002
1003 /*!
1004  * @brief 射撃武器の攻撃に必要な基本消費エネルギーを返す/Return bow energy
1005  * @param sval 射撃武器のアイテム副分類ID
1006  * @return 消費する基本エネルギー
1007  */
1008 ENERGY bow_energy(OBJECT_SUBTYPE_VALUE sval)
1009 {
1010         ENERGY energy = 10000;
1011
1012         /* Analyze the launcher */
1013         switch (sval)
1014         {
1015                 /* Sling and ammo */
1016         case SV_SLING:
1017         {
1018                 energy = 8000;
1019                 break;
1020         }
1021
1022         /* Short Bow and Arrow */
1023         case SV_SHORT_BOW:
1024         {
1025                 energy = 10000;
1026                 break;
1027         }
1028
1029         /* Long Bow and Arrow */
1030         case SV_LONG_BOW:
1031         {
1032                 energy = 10000;
1033                 break;
1034         }
1035
1036         /* Bow of irresponsiblity and Arrow */
1037         case SV_NAMAKE_BOW:
1038         {
1039                 energy = 7777;
1040                 break;
1041         }
1042
1043         /* Light Crossbow and Bolt */
1044         case SV_LIGHT_XBOW:
1045         {
1046                 energy = 12000;
1047                 break;
1048         }
1049
1050         /* Heavy Crossbow and Bolt */
1051         case SV_HEAVY_XBOW:
1052         {
1053                 energy = 13333;
1054                 break;
1055         }
1056         }
1057
1058         return (energy);
1059 }
1060
1061
1062 /*
1063  * Return bow tmul
1064  */
1065 int bow_tmul(OBJECT_SUBTYPE_VALUE sval)
1066 {
1067         int tmul = 0;
1068
1069         /* Analyze the launcher */
1070         switch (sval)
1071         {
1072                 /* Sling and ammo */
1073         case SV_SLING:
1074         {
1075                 tmul = 2;
1076                 break;
1077         }
1078
1079         /* Short Bow and Arrow */
1080         case SV_SHORT_BOW:
1081         {
1082                 tmul = 2;
1083                 break;
1084         }
1085
1086         /* Long Bow and Arrow */
1087         case SV_LONG_BOW:
1088         {
1089                 tmul = 3;
1090                 break;
1091         }
1092
1093         /* Bow of irresponsiblity and Arrow */
1094         case SV_NAMAKE_BOW:
1095         {
1096                 tmul = 3;
1097                 break;
1098         }
1099
1100         /* Light Crossbow and Bolt */
1101         case SV_LIGHT_XBOW:
1102         {
1103                 tmul = 3;
1104                 break;
1105         }
1106
1107         /* Heavy Crossbow and Bolt */
1108         case SV_HEAVY_XBOW:
1109         {
1110                 tmul = 4;
1111                 break;
1112         }
1113         }
1114
1115         return (tmul);
1116 }
1117
1118